T1/ CEPT/ ISDN-PRI Transformer ELECTRONICS INC. EPA3457G • Optimized for Brooktree B8360 & B8370 • Crystal CS6152, Dallas D52154L and Exar T5684 • Operating Temparture -40°C to 85°C • • 1500 Vrms Isolation • Electrical Parameters @ 25° C Primary Inductance (1 mH Min. @ -40°C) Interwinding Capacitance Leakage Inductance @ 100 KHz, 0.1 Vrms @ 100 KHz, 0.1 Vrms @ 100 KHz, 0.1 Vrms T1 1.6 mH Min. Pins 12-10 T1 60 pF Max. T2 1.6 mH Min. Pins 4-6 T2 55 pF Max. • T1 1.0 µH Max. Pins 12-10 T1 T2 0.8 µH Max. Pins 4-6 1.7 Pins 12-10 T2 2.0 1.7 1.7 Pins 1-3 Pins 4-6 Pins 9-7 Crosstalk : -50 dB Typ. @ 100 KHz to 10 MHz • Schematic T1 T2 1CT:2CT Pri DCR (Ω Max.) 1:1.36CT 12 1 11 2 10 3 9 4 Sec 8 Pri Sec 7 6 Package Dimensions A N J Dim. Pin 1 I.D. PCA EPA3457G D.C. B Q Pad Layout M D E C H A B C D E F G H I J K L M N P Q P F I K L Min. .660 .430 .320 .--.010 --.540 ------0° .025 --------- (Inches) Max. Nom. .680 .450 .340 --.015 --.560 ------8° .045 --------- .670 .440 .330 .500 --.100 .550 .020 .010 .085 --.035 .030 .100 .085 .610 (Millimeters) Min. Max. Nom. 16.76 10.92 8.13 --.254 --13.72 ------0° .635 --------- 17.27 11.43 8.64 --.381 --14.22 ------8° 1.14 --------- 17.02 11.18 8.39 12.70 --2.54 13.97 .508 .254 2.16 --.889 .762 2.54 2.16 15.50 G PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 CSA3457G Rev. 2 10/29/98 Product performance is limited to specified parameters. Data is subject to change without prior notice. TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com